diff options
Diffstat (limited to 'arch/x86/oprofile/op_x86_model.h')
| -rw-r--r-- | arch/x86/oprofile/op_x86_model.h | 81 |
1 files changed, 60 insertions, 21 deletions
diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h index 45b605fa71d..71e8a67337e 100644 --- a/arch/x86/oprofile/op_x86_model.h +++ b/arch/x86/oprofile/op_x86_model.h @@ -6,46 +6,85 @@ * @remark Read the file COPYING * * @author Graydon Hoare + * @author Robert Richter <robert.richter@amd.com> */ #ifndef OP_X86_MODEL_H #define OP_X86_MODEL_H -struct op_saved_msr { - unsigned int high; - unsigned int low; -}; +#include <asm/types.h> +#include <asm/perf_event.h> struct op_msr { - unsigned long addr; - struct op_saved_msr saved; + unsigned long addr; + u64 saved; }; struct op_msrs { - struct op_msr * counters; - struct op_msr * controls; + struct op_msr *counters; + struct op_msr *controls; + struct op_msr *multiplex; }; struct pt_regs; +struct oprofile_operations; + /* The model vtable abstracts the differences between * various x86 CPU models' perfctr support. */ struct op_x86_model_spec { - unsigned int const num_counters; - unsigned int const num_controls; - void (*fill_in_addresses)(struct op_msrs * const msrs); - void (*setup_ctrs)(struct op_msrs const * const msrs); - int (*check_ctrs)(struct pt_regs * const regs, - struct op_msrs const * const msrs); - void (*start)(struct op_msrs const * const msrs); - void (*stop)(struct op_msrs const * const msrs); - void (*shutdown)(struct op_msrs const * const msrs); + unsigned int num_counters; + unsigned int num_controls; + unsigned int num_virt_counters; + u64 reserved; + u16 event_mask; + int (*init)(struct oprofile_operations *ops); + int (*fill_in_addresses)(struct op_msrs * const msrs); + void (*setup_ctrs)(struct op_x86_model_spec const *model, + struct op_msrs const * const msrs); + int (*check_ctrs)(struct pt_regs * const regs, + struct op_msrs const * const msrs); + void (*start)(struct op_msrs const * const msrs); + void (*stop)(struct op_msrs const * const msrs); + void (*shutdown)(struct op_msrs const * const msrs); +#ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX + void (*switch_ctrl)(struct op_x86_model_spec const *model, + struct op_msrs const * const msrs); +#endif }; -extern struct op_x86_model_spec const op_ppro_spec; -extern struct op_x86_model_spec const op_p4_spec; -extern struct op_x86_model_spec const op_p4_ht2_spec; -extern struct op_x86_model_spec const op_athlon_spec; +struct op_counter_config; + +static inline void op_x86_warn_in_use(int counter) +{ + /* + * The warning indicates an already running counter. If + * oprofile doesn't collect data, then try using a different + * performance counter on your platform to monitor the desired + * event. Delete counter #%d from the desired event by editing + * the /usr/share/oprofile/%s/<cpu>/events file. If the event + * cannot be monitored by any other counter, contact your + * hardware or BIOS vendor. + */ + pr_warning("oprofile: counter #%d on cpu #%d may already be used\n", + counter, smp_processor_id()); +} + +static inline void op_x86_warn_reserved(int counter) +{ + pr_warning("oprofile: counter #%d is already reserved\n", counter); +} + +extern u64 op_x86_get_ctrl(struct op_x86_model_spec const *model, + struct op_counter_config *counter_config); +extern int op_x86_phys_to_virt(int phys); +extern int op_x86_virt_to_phys(int virt); + +extern struct op_x86_model_spec op_ppro_spec; +extern struct op_x86_model_spec op_p4_spec; +extern struct op_x86_model_spec op_p4_ht2_spec; +extern struct op_x86_model_spec op_amd_spec; +extern struct op_x86_model_spec op_arch_perfmon_spec; #endif /* OP_X86_MODEL_H */ |